<?php
/*
this example is used to obtain a number of data with display limitation into the pages, with $_GET variable(s)
author: usman didi khamdani
author's email: usmankhamdani@gmail.com
author's phone: +6287883919293
*/
?>
<!doctype html>
<html lang="en">
<head>
<title>Paging Class :: Page with $_GET variable(s)</title>
</head>
<body>
<h3>Page with $_GET variable(s)</h3>
<?php
$host = "localhost"; // database host name
$user = "root"; // database user name
$password = ""; // database user password
$db = "test"; // database name
$host_conn = mysql_connect($host,$user,$password); // connect to host
if(!$host_conn) {
die(mysql_error());
}
$db_conn = mysql_select_db($db, $host_conn); // connect to database
if(!$db_conn) {
die(mysql_error());
}
if((isset($_GET['cat']) && $_GET['cat']!="") && (isset($_GET['auth']) && $_GET['auth']!="")) {
// define first, prev, next and last thumbnail
define("_FIRST","<< ");
define("_PREV","<");
define("_NEXT","> ");
define("_LAST",">>");
include("paging.class.php");
// current page
if(isset($_GET['page']) && $_GET['page']!="") {
$page = @$_GET['page'];
} else {
$page = 1;
}
// setting params
$param1 = $_GET['cat'];
$param2 = $_GET['auth'];
$param = "cat=$param1&auth=$param2";
$query1 = "SELECT no FROM book WHERE Category = '$param1' AND Author = '$param2'";
$check = mysql_query($query1);
if(!$check) {
die(mysql_error());
}
$sum_data = mysql_num_rows($check); // sum of data
$max_row = 5; // maximum number of rows of data to be displayed in a page
$num = 10; // number of page thumbnails
$d = new Paging($page,$max_row,$sum_data);
// get limit;
$query2 = "SELECT * FROM book WHERE Category = '$param1' AND Author = '$param2' ORDER BY Title ".$d->limit();
// create thumbnail;
$thumbnail = $d->thumbnail($num,$param);
echo "<div id=\"display_content\"><p>current page = $page<br />number of page = ".ceil($sum_data/$max_row)."<br />maximum number of rows of data to be displayed in a page = $max_row<br />sum of data = $sum_data<br />number of page thumbnails = $num</p><p>mysql_query = <strong>$query2</strong></p><hr />";
$display = mysql_query($query2);
if(!$display) {
die(mysql_error());
}
$check2 = mysql_num_rows($display);
if($check2==0) {
echo "<h3>There's no list of $param1 Books by $param2</h3>";
} else {
echo "<h3>List of $param1 Books by $param2</h3><table id=\"content\"><tr><th>No.</th><th>Title</th><th>Published Year</th></tr>";
$no = 0;
while($data = mysql_fetch_array($display)) {
$no++;
$n = (($page-1)*$max_row)+$no;
echo "<tr><td style=\"text-align:right\">$n.</td><td>".$data['Title']."</td><td>".$data['Published_Year']."</td></tr>";
}
echo "</table></div>$thumbnail";
}
}
?>
<form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="get">
<?php
$cat_query = "SELECT DISTINCT(Category) FROM book ORDER BY Category";
$cat_list = mysql_query($cat_query);
$auth_query = "SELECT DISTINCT(Author) FROM book ORDER BY Author";
$auth_list = mysql_query($auth_query);
if(!$cat_list || !$auth_list) {
die(mysql_error());
}
$cat_sum = mysql_num_rows($cat_list);
$auth_sum = mysql_num_rows($auth_list);
?>
<p>Category <select name="cat"><?php if($cat_sum>0) while($c=mysql_fetch_array($cat_list)) { echo '<option value="'.$c[0].'">'.$c[0].'</option>'; } ?></select> Author <select name="auth"><?php if($auth_sum>0) while($a=mysql_fetch_array($auth_list)) { echo '<option value="'.$a[0].'">'.$a[0].'</option>'; } ?></select> <input type="submit" value="Show Book" /></p>
</form>
<hr />
<p><a href="example1.php">Example 1: Page without $_GET variable plus CSS Rules</a><br />
<a href="example3.php">Example 3: Page with jQuery .load() plus CSS Rules</a></p>
</body>
<html>
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